//得到所有交点
private static IPointCollection GetAllIntersect(IFeature pFeat, List <IFeature> listFeats)
{
IPointCollection pItersectCol = new MultipointClass();
IPointCollection pPntColTemp = pFeat.Shape as IPointCollection;
IPolyline pPolyline = pPntColTemp as IPolyline;
foreach (IFeature pFeatTemp in listFeats)
{
IGeometry pGeometry = pFeat.Shape;
if (!pFeat.Equals(pFeatTemp))
{
IPointCollection pItersectColTemp = GetIntersection(pFeatTemp.Shape, pPolyline);
if (pItersectColTemp != null)
{
pItersectCol.AddPointCollection(pItersectColTemp);
}
}
}
return(pItersectCol);
}
